Finding the Fourth Proportional to 57,704,312.24, 86,419,082.64 and 33,391,987.28
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Solution
The fourth proportional to 57,704,312.24, 86,419,082.64 and 33,391,987.28 is: 50,008,479.37
Step by Step Solution
- Step 1: Write the proportion equation
57,704,312.24 : 86,419,082.64 = 33,391,987.28 : x - Step 2: Convert to fraction form
57,704,312.24/86,419,082.64 = 33,391,987.28/x - Step 3: Cross multiply
57,704,312.24x = 86,419,082.64 × 33,391,987.28 - Step 4: Simplify right side
57,704,312.24x = 2,885,704,908,264,149 - Step 5: Solve for x
x = 2,885,704,908,264,149/57,704,312.24 - Step 6: Final answer
x = 50,008,479.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.